Can the new nylon material be used to make optical lenses?

New nylon materials are generally not suitable for making optical lenses, mainly due to their material properties and optical performance limitations. The following is a point by point introduction:
1. Low transparency
Nylon materials are usually semi transparent or opaque and do not have high transparency, making it difficult to meet the requirements of optical lenses for clarity and transparency.
2. Unreasonable refractive index
Nylon has a low and unstable refractive index, making it unsuitable for controlling the path of light in precision optical design.
3. Difficult surface processing
Nylon material has low surface hardness and is prone to scratching, making it difficult to process into high-precision optical grade smooth mirror surfaces.
4. Poor dimensional stability
Nylon has strong moisture absorption and is susceptible to changes in size and shape caused by environmental humidity, which is not conducive to stable optical performance.
5. Thermal expansion affects optical performance
The coefficient of thermal expansion is relatively large, and temperature changes may cause deformation and imaging distortion of optical lenses.
6. Limited scope of application
Nylon material is more commonly used for mechanical parts and structural components, rather than for lens manufacturing that requires extremely high optical performance.
7. Suggestions for alternative materials
Optical lenses are commonly made of transparent and stable materials such as glass, optical grade polycarbonate (PC), PMMA (acrylic), etc.
8. Special circumstances
If only low precision, non critical optical performance semi transparent parts are needed, partially modified nylon may have application space, but it is rarely used for real optical lenses.